654361344 has 216 divisors, whose sum is σ = 2322817952. Its totient is φ = 172523520.

The previous prime is 654361343. The next prime is 654361397. The reversal of 654361344 is 443163456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 654361299 and 654361308.

It is not an unprimeable number, because it can be changed into a prime (654361343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208104 + ... + 211224.

Almost surely, 2^654361344 is an apocalyptic number.

654361344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654361344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161408976).

654361344 is an abundant number, since it is smaller than the sum of its proper divisors (1668456608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654361344 is a wasteful number, since it uses less digits than its factorization.

654361344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3146 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 654361344 is about 25580.4875637663. The cubic root of 654361344 is about 868.1722070497.

The spelling of 654361344 in words is "six hundred fifty-four million, three hundred sixty-one thousand, three hundred forty-four".